1 files changed, 49 insertions, 0 deletions
diff --git a/spec/javascripts/behaviors/requires_input_spec.js.coffee b/spec/javascripts/behaviors/requires_input_spec.js.coffee
new file mode 100644
index 00000000000..61a17632173
--- /dev/null
+++ b/spec/javascripts/behaviors/requires_input_spec.js.coffee
@@ -0,0 +1,49 @@
+#= require behaviors/requires_input
+
+describe 'requiresInput', ->
+  fixture.preload('behaviors/requires_input.html')
+
+  beforeEach ->
+    fixture.load('behaviors/requires_input.html')
+
+  it 'disables submit when any field is required', ->
+    $('.js-requires-input').requiresInput()
+
+    expect($('.submit')).toBeDisabled()
+
+  it 'enables submit when no field is required', ->
+    $('*[required=required]').removeAttr('required')
+
+    $('.js-requires-input').requiresInput()
+
+    expect($('.submit')).not.toBeDisabled()
+
+  it 'enables submit when all required fields are pre-filled', ->
+    $('*[required=required]').remove()
+
+    $('.js-requires-input').requiresInput()
+
+    expect($('.submit')).not.toBeDisabled()
+
+  it 'enables submit when all required fields receive input', ->
+    $('.js-requires-input').requiresInput()
+
+    $('#required1').val('input1').change()
+    expect($('.submit')).toBeDisabled()
+
+    $('#optional1').val('input1').change()
+    expect($('.submit')).toBeDisabled()
+
+    $('#required2').val('input2').change()
+    $('#required3').val('input3').change()
+    $('#required4').val('input4').change()
+    $('#required5').val('1').change()
+
+    expect($('.submit')).not.toBeDisabled()
+
+  it 'is called on page:load event', ->
+    spy = spyOn($.fn, 'requiresInput')
+
+    $(document).trigger('page:load')
+
+    expect(spy).toHaveBeenCalled()